Meade 50 AZ-T instruction manual Contents

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Captions for Fig. 1

1.Viewfinder

2.Spider vane/diagonal

3.Focuser

4.Main optical tube

5.Polar axis

6.Declination housing

7.Declination lock knob

8.Declination setting circle

9.Counterweights

10.Declination shaft

11.Counterweight safety washer

12.North leg

13.Pier

14.Latitude locking bolt

15.Pier cap

16.Tripod legs

17.Right ascension setting circle

18.Drive motor housing/control panel

19.Primary mirror cell

20.Polar housing

21.Strap mounting blocks

22.Saddle plate

23.Mounting straps

24.Focuser drawtube

®The name ‘Meade’ and the Meade logo are trademarks registered with the U.S. Patent Office and in principal countries throughout the world.

© 1998 Meade Instruments Corporation

Contents

16" Starfinder Equatorial Telescope

Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Parts Listing and Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Tripod . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Attaching the Equatorial Head . . . . . . . . . . . . . . . . . . . . 4 Adjusting the Latitude . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Mounting the Counterweights. . . . . . . . . . . . . . . . . . . . . 4 Attaching the Focuser Assembly . . . . . . . . . . . . . . . . . . 4 Attaching the Viewfinder . . . . . . . . . . . . . . . . . . . . . . . . 4 Mounting the Primary Mirror Cell . . . . . . . . . . . . . . . . . . 4 Mounting the Secondary Mirror . . . . . . . . . . . . . . . . . . . 4 Attaching the Mounting Straps. . . . . . . . . . . . . . . . . . . . 4 Mounting the Optical Tube. . . . . . . . . . . . . . . . . . . . . . . 4 Balancing the Telescope . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Control Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 R.A. Encoder Port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 On/Off Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Installing the Batteries . . . . . . . . . . . . . . . . . . . . . . 5 12vDC Outlet. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Collimation of the Optical System . . . . . . . . . . . . . . . . . . . . . 6 Correct Collimation . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Spider Vane Adjustments. . . . . . . . . . . . . . . . . . . . . . . . 6 Secondary Mirror Adjustments. . . . . . . . . . . . . . . . . . . . 6 Primary Mirror Adjustments . . . . . . . . . . . . . . . . . . . . . . 7

The Viewfinder . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Focusing the Viewfinder. . . . . . . . . . . . . . . . . . . . . . . . . 7 Aligning the Viewfinder . . . . . . . . . . . . . . . . . . . . . . . . . 7 Using the Viewfinder . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Magnification. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Astronomical Observing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Celestial Coordinates: Declination & Right Ascension. . . 8 Polar Alignment. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Calibrating the Declination Circle . . . . . . . . . . . . . . 9 How to Locate Objects in the Night Sky. . . . . . . . . . . . . 9 Motor Drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 Southern Hemisphere Operations . . . . . . . . . . . . . 9 Setting Circles. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 Observing Tips . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Astrophotography . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Optional Accessories. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Telescope Maintenance and Servicing. . . . . . . . . . . . . . . . . 12

Care of Optics and Main Tube . . . . . . . . . . . . . . . . . . . 12

Cleaning the Optics . . . . . . . . . . . . . . . . . . . . . . . 12

Cleaning the Optical Tube . . . . . . . . . . . . . . . . . . 12

Star Testing the Collimation. . . . . . . . . . . . . . . . . . . . . 12

Telescope Tracking . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Slow Blow Fuse. . . . . . . . . . . . . . . . . . . . . . . . . . 13

Balance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Clutch Pressure Plate . . . . . . . . . . . . . . . . . . . . . 13

Worm Block. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Meade Customer Service. . . . . . . . . . . . . . . . . . . . . . . 14

Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

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Contents Meade Instruments Corporation Page Contents Starfinder Reflecting Telescope Introduction Parts Listing and AssemblyEncoder Plug On/Off SwitchBalancing the Telescope Control Panel12vDC Outlet Spider Vane AdjustmentsSecondary Mirror Adjustments Collimation of the Optical SystemMagnification ViewfinderAstronomical Observing Celestial Coordinates Declination and Right AscensionPolar Alignment Motor Drive How to Locate Objects in the Night SkyObserving Tips Setting CirclesAstrophotography Optional AccessoriesTelescope Maintenance and Servicing Star Testing the CollimationCare Of Optics And Main Tube Telescope Tracking Meade Customer Service Specifications Meade StarfinderTM 16 Reflecting TelescopeFCC Notice Meade Limited Warranty Ver Part no